Wahhabism (short as wahabi) is a Sunni revivalist and fundamentalist movement which is heavily influenced by the Islamic scholar Muhammad ibn Abd al-Wahhab and another Sunni reform movement #202205182028. It was originated in Najd and play a major role on the nation building of Saudi Arabia where al-Wahhab was deeply entrenched in Saudi politics especially with the Saud royal family.
It advocates that (1) ritual action is more important than the intentions, (2) to not respect the dead, and (3) Muslim doesn’t need to have intermediate prayers even if they were saint or prophets.
Some claimed that wahabi are quite progressive in Malaysia but it is without efficient proofs.